Sheffield SUPERPRODUCTIONvsSpinnaker Dumas Automatic
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

SUPERPRODUCTION

Dumas Automatic
Diameter
40mm
44mm
Lug-to-Lug
48mm
48mm
Thickness
12.6mm
lowest
15mm
Water Resistance
200m
300m
highest
Power Reserve
38h
n/a
MSRP
n/a
$239
Movement
Sellita SW200-1
Seiko NH35
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Sheffield SUPERPRODUCTION for its attractive blue dial and overall quality at an affordable price. The bezel action is generally well-regarded, though one owner suggests it could be crisper. The Sellita SW200-1 movement is reported to be accurate, with one owner observing a gain of 3 seconds over 24 hours. The 40mm case is noted by one owner to feel smaller than expected, and the crown is described as finicky and tight for winding and setting. On balance, owners rate the Sheffield SUPERPRODUCTION highly for its dial and value proposition, despite minor criticisms of the crown and case size perception.
Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.
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